แรงโน้มถ่วงของโลก

What is Earth's gravity?

• A force that pushes objects away from Earth.

• A force that pulls objects towards the Earth's center.

• A force that makes objects float in the air.

• A force that only affects living things.

Who is credited with discovering Earth's gravity?

• Albert Einstein

• Galileo Galilei

• Sir Isaac Newton

• Stephen Hawking

What is the standard unit for measuring weight?

• Kilogram (kg)

• Gram (g)

• Newton (N)

• Meter (m)

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Which of the following is NOT a benefit of Earth's gravity?

• It allows us to stand on the ground.

• It causes rain to fall.

• It makes objects float into space.

• It makes water flow from high to low places.